Heinich, R., Molenda, M., & Russell, J. D. (1989). Instructional media and the new technologies of instruction (3.).
Chicago Edition CitationHeinich, Robert, Michael Molenda, and James D. Russell. Instructional Media and the New Technologies of Instruction. 3. New York, MacMillan Publishing, 1989.
MLA Edition CitationHeinich, Robert, et al. Instructional Media and the New Technologies of Instruction. 3. 1989.
Warning: These citations may not always be 100% accurate.